[Tex/LaTex] How to upgrade TeXLive 2009 to TeXLive 2010

installingtexlive

I have a TeXLive 2009 installation on my Linux machine. And, I'd like to upgrade it to TeXLive 2010. I tried the command sudo tlmgr update --self --all as suggested in How to keep my TeX Live installation up to date?. But, I get the following error message.

tlmgr: package repository http://…/mirrors/ctan.org/systems/texlive/tlnet

The release version of the installation source and the installation media do not agree: source: 2010, media: 2009

Please fix your location http://…/mirrors/ctan.org/systems/texlive/tlnet at /usr/local/bin/tlmgr line 4205.

This error message makes me wonder if it's possible at all to upgrade from TeXLive 2009 to 2010 automatically by pointing my repository location to the right address.

Best Answer

Upgrading from 2009 to 2010 is not possible. The bugs and updates page says the following:

It is not possible to upgrade from TL 2009 to TL 2010, so install the new release in a new directory (as is done by default). install-tl may offer to import options (not packages) from a previous release, but results are not guaranteed.

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